Nootropics?

Thank you, I will check it out! Btw, I reviewed a couple of apps for measuring cognition recently:

http://measuredme.com/2012/11/one-of-the-self-tracking-projects-that-i-always-wanted-to-do-was-to-determine-the-impact-of-sleep-diet-and-exercise-regimen-html/

I am currently testing another app, StroopEffect.